mc68331cpv20b1 Freescale Semiconductor, Inc, mc68331cpv20b1 Datasheet - Page 5

• Manufacturer Part Number: mc68331cpv20b1
• Description: Mc68331 32 Bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Paragraph
4.5.6.1
4.5.6.2
4.6
4.6.1
4.6.2
4.6.3
4.6.3.1
4.6.3.2
4.6.3.3
4.6.4
4.6.5
4.6.5.1
4.6.5.2
4.6.6
4.6.7
4.6.8
4.6.9
4.7
4.7.1
4.7.2
4.7.3
4.7.4
4.7.5
4.8
4.8.1
4.8.1.1
4.8.1.2
4.8.1.3
4.8.1.4
4.8.2
4.8.3
4.8.4
4.9
4.9.1
4.9.2
4.9.3
4.10
5.1
5.2
MC68331
USER’S MANUAL
Reset ............................................................................................................ 4-36
Interrupts ...................................................................................................... 4-45
Chip Selects ................................................................................................. 4-48
Parallel Input/Output Ports ........................................................................... 4-57
Factory Test ................................................................................................. 4-57
General ........................................................................................................... 5-1
CPU32 Registers ............................................................................................ 5-2
Reset Exception Processing ................................................................ 4-36
Reset Control Logic .............................................................................. 4-37
Reset Mode Selection .......................................................................... 4-37
MCU Module Pin Function During Reset ............................................. 4-40
Pin State During Reset ......................................................................... 4-41
Reset Timing ........................................................................................ 4-42
Power-On Reset ................................................................................... 4-43
Reset Processing Summary ................................................................. 4-44
Reset Status Register .......................................................................... 4-45
Interrupt Exception Processing ............................................................ 4-45
Interrupt Priority and Recognition ......................................................... 4-45
Interrupt Acknowledge and Arbitration ................................................. 4-46
Interrupt Processing Summary ............................................................. 4-47
Interrupt Acknowledge Bus Cycles ....................................................... 4-48
Chip-Select Registers ........................................................................... 4-50
Chip-Select Operation .......................................................................... 4-54
Using Chip-Select Signals for Interrupt Acknowledge .......................... 4-54
Chip-Select Reset Operation ................................................................ 4-55
Pin Assignment Registers .................................................................... 4-57
Data Direction Registers ...................................................................... 4-57
Data Registers ...................................................................................... 4-57
Slave (Factory Test) Mode Arbitration ......................................... 4-35
Show Cycles ................................................................................ 4-35
Data Bus Mode Selection ............................................................. 4-38
Clock Mode Selection .................................................................. 4-40
Breakpoint Mode Selection .......................................................... 4-40
Reset States of SIM Pins ............................................................. 4-41
Reset States of Pins Assigned to Other MCU Modules ............... 4-42
Chip-Select Pin Assignment Registers ........................................ 4-51
Chip-Select Base Address Registers ........................................... 4-52
Chip-Select Option Registers ....................................................... 4-52
PORTC Data Register .................................................................. 4-54
SECTION 5 CENTRAL PROCESSING UNIT
Freescale Semiconductor, Inc.
For More Information On This Product,
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Go to: www.freescale.com
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